<!doctype html>
<html><head>
<style>
div { 
  margin: 27px;
  border-width: 1em;
  border-style: solid;
  border-image: url("diamonds.png") 27 stretch round;
  width: 270px;
  height: 135px;
}
</style>
<body>
<div></div>
</body></html>
